Interstate Sun is changing the way America thinks about solar! As the #1 residential solar integrator based in Midwest, Interstate Sun offers comprehensive financial options and superior customer service. We make our contribution to the preservation of the environment and the generation of sufficient, clean energy. We are guided by the principles of sustainable development. Being 100% green should be the objective for all of us, if we are to stand a chance of undoing the damage we have already done to Earth’s atmosphere.